Choose the statement that is true about $A$,$B$ and $C$ in the following separation scheme.

• A
  $A =$ tetrahydroisoquinoline,$B =$ naphthalene and $C =$ inorganic ions such as $Na^{+}$ and $Cl^{-}$
• B
  $A =$ naphthalene,$B =$ tetrahydroisoquinoline and $C =$ inorganic ions such as $Na^{+}$ and $Cl^{-}$
• C
  $A =$ inorganic ions such as $Na^{+}$ and $Cl^{-}$,$B =$ naphthalene and $C =$ tetrahydroisoquinoline
• D
  $A =$ naphthalene,$B =$ inorganic ions such as $Na^{+}$ and $Cl^{-}$ and $C =$ tetrahydroisoquinoline